Home / 13,787.91-20,681.93-5,022.83

Finding the Fourth Proportional to 13,787.91, 20,681.93 and 5,022.83

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Solution

The fourth proportional to 13,787.91, 20,681.93 and 5,022.83 is: 7,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.91 : 20,681.93 = 5,022.83 : x
  2. Step 2: Convert to fraction form
    13,787.91/20,681.93 = 5,022.83/x
  3. Step 3: Cross multiply
    13,787.91x = 20,681.93 × 5,022.83
  4. Step 4: Simplify right side
    13,787.91x = 103,881,689.94
  5. Step 5: Solve for x
    x = 103,881,689.94/13,787.91
  6. Step 6: Final answer
    x = 7,534.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.